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一种高矿化度采出水配聚合物溶液的增粘方法

WANG Lili, LI Wenhong, ZHOU Juntai, FAN Wei, XIANG Zhongyuan, XU Feiyan

Petrochemical Industry Application（2013）

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Abstract
驱油应用即能节约用水,又减小外排污染,但高矿化度采出水配聚合物增粘是个难题.通过实验研究,采出水生化处理后的水质较好,悬浮物、油、铁离子含量都大大降低,但矿化度和钙镁离子含量仍较高,配制的聚合物溶液粘度提高小,并且热稳定性差.通过在生化采出水中添加水处理剂,聚合物更容易溶解,粘度也再有提高,聚合物溶液在油藏50℃温度下的热稳定性转好,粘度保留率达到70％以上.
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